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Dendrites—a typical pseudofossil

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Dendrites—a typical pseudofossil.jpg Bilateral symmetry in fossil brachiopodThumbnailsSketch of a gastrolith—the gizzard stone of an ancient reptileBilateral symmetry in fossil brachiopodThumbnailsSketch of a gastrolith—the gizzard stone of an ancient reptileBilateral symmetry in fossil brachiopodThumbnailsSketch of a gastrolith—the gizzard stone of an ancient reptileBilateral symmetry in fossil brachiopodThumbnailsSketch of a gastrolith—the gizzard stone of an ancient reptile